import json
# 工具类
class StudentInfoManagement:

    studentList=[]

    # 插入学生
    @staticmethod
    def add_student(student):
        StudentInfoManagement.studentList.append(student)
        StudentInfoManagement.show_student()

    # 删除学生
    @staticmethod
    def del_student(id):
        pass

    # 更新学生信息
    @staticmethod
    def update_student(student):
        pass

    # 显示学生信息
    @staticmethod
    def show_student():
        for s in StudentInfoManagement.studentList:
            print(s)
